Indexing registers for calculators



June 5, 1962 G. CLAPPER INDEXING REGISTERS FOR CALCULATORS 2l Sheets-Sheet 1 Filed Nov. 29, 1956 June 5, 1962 G. l.. CLAPPER INDEXING REGISTERS FOR CALCULATORS 21 Sheets-Sheet 2 Filed Nov. 29, 1956 RUNIMUHP 1244@ PM O m, mm

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www QQPO June 5, 1962 G. 1 CLAPPER INDEXING REGISTERS FOR CALCULATORS 21 Sheets-Sheet 10 Filed Nov. 29, 1956 June 5, 1962 G. 1 CLAPPER 3,037,700

INDEXING REGISTERS FOR CALCULATORS Filed Nov, 29, 1956 2l Sheets-Sheet 11 June 5, 1962 G. 1 CLAPPER 3,037,700

INDEXING REGISTERS FOR CALCULATORS Filed Nov. 29, 1956 2l Sheets-Sheet 12 June 5, 1962 G. 1 CLAPPER 3,037,700

INDEXING REGIsTERs FOR CALCULATORS Filed Nov. 29. 1956 2l Sheets-Sheet 13 MON NON June 5, 1962 G. L. CLAPPER INDEXING REGISTERS FOR CALCULATORS 21 Sheets-Sheet 14 Filed Nov. 29, 1956 ElG. SCL- PER DRUM REVOLUTION June 5, 1962 G. l.. CLAPPER 3,037,700

INDEXING REGISTERS FOR CALCULATORS Filed Nov. 29, 1956 2l Sheets-Sheet 15 V T T FT B- mg: L ri v LL L Lu E 35 E J\ l H T 1 t I-35 IT- EVENQODD EVENb ODD EVENCODD EVEIL ODD READ-OUT NO BIT CAPACITOR CHARGED READ-IN BIT CAPACITOR DlSCHARGED READ-OUT NO BIT CAPACTOR CHARGED cREAD-OUT BIT CAPACITOR DISCHARGED READ-IN NO BIT CAPACTOR CHARGED READ-IN BIT CAPACITOR DISCHARGED TIG- 9 cREAD-'OUT BIT CAPACITOR DISCHARGED READ-IN NO BIT CAPACITOR CHARGED June 5, 1962 Filed Nov. 29, 1956 REGEN CTRLIA REGEN CTRL. B

REGEN A102 REGEN B103 REGEN C104 G. L. CLAPPER INDEXING REGISTERS FOR CALCULATORS 2l Sheets-Sheet 16 EARLY N TIME M- DIGIT PosITIoNs I f T +50 1' K D4 D3 I MOOI D2 D l- O INDEXING REGISTER O l M PUIG-1.2-

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